Cita APA

(2007). Cambridge ielts 4: Examination papers from university of Cambridge ESOL examinations: English for speakers of other languages. New York: Cambridge.

Citación estilo Chicago

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.

Cita MLA

Cambridge Ielts 4: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge, 2007.